21038760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58441}}^1$

素因数の和:58458

約数の個数: 48

約数和(自身を含む): 68377140

約数和(自身を除く): 47338380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58441, 116882, 175323, 233764, 292205, 350646, 467528, 525969, 584410, 701292, 876615, 1051938, 1168820, 1402584, 1753230, 2103876, 2337640, 2629845, 3506460, 4207752, 5259690, 7012920, 10519380, 21038760]

約数ペア:

[(1, 21038760), (2, 10519380), (3, 7012920), (4, 5259690), (5, 4207752), (6, 3506460), (8, 2629845), (9, 2337640), (10, 2103876), (12, 1753230), (15, 1402584), (18, 1168820), (20, 1051938), (24, 876615), (30, 701292), (36, 584410), (40, 525969), (45, 467528), (60, 350646), (72, 292205), (90, 233764), (120, 175323), (180, 116882), (360, 58441)]